joining us live to tell us about program is chris holden with the district. thanks for being with us. this started in the district about two years ago. how does this work and how is it expanded? >> good morning. we started that two years ago with smart bike with about ten locations and a hundred bikes. as of yesterday we did expand to the start of a hundred locations with a thousand bikes here in d. c. and in arlington county. >> how many people have signed up to take part in bike share? >> reporter: we just started yesterday and we've been open for about three weeks and we have about 1200 members so far. >> talk about the benefits of this. people who travel from overseas are familiar with this but why is it so important that we get something like this underway? >> well, you know, it's a great way for people to get around the city who don't own a bike or don't have a bicycle with them. you could do short trips to the store. when you're working you can go out to lunch or go to a meeting. it just gives people another option to get around town besides driving or